Read Sony MDS-S38 / MDS-S39 / MDS-S707 Service Manual online
— 71 —
Pin No.
Pin Name
I/O
Function
• IC401 System Control (RU8X11AMF-0115)
1
2
3 to 5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
O
O
I
I
I
I
I
I
—
I
I
I
I
I
I
O
O
I
I
—
—
O
I
—
O
I
—
O
O
I
I
I
I
O
I
I
O
O
Test pin. C1 is output when test mode (Not used)
Test pin. ADER is output when test mode (Not used)
Key input pin (D/A input)
Detection input from the chucking-in switch
“L”: Chucking
Detection input from the disc detection switch
Detection input from the loading out switch. Loaded out position: “L”, Others: “H”
Key input pin (D/A input)
Ground (Analog)
Interrupt status input from the CXD2652AR
POWER DOWN signal input
“L”: Down
Remote control signal interrupt input
ATP address sync or subcode Q sync (SCOR) input from the CXD2652AR
“L” is input every 13.3 msec
Almost all, “H”
Digital-In U-bit CD format subcode Q sync (SCOR) input from the CXD2652AR
“L” is input every 13.3 msec
Almost all, “H”
Not used
System reset signal input
For several hundreds msec after the power supply rises, “L” is input, then it changes to “H”
Test pin (Fixed at “L”)
+3.3V power supply
Power supply pin to RTC (clock) and RAM
Clock output (32.768 kHz) (For clock)
Clock input (32.768 kHz) (For clock)
Ground
Main clock output (12 MHz)
Main clock input (12 MHz)
Ground
Not used
Internal status (SENSE) input from the CXD2652AR
Track jump signal input from the CXD2652AR
BEEP sound output switching signal input (Not used)
Not used
Strobe signal output to the power supply circuit
Power supply ON: “H”, stand by: “L”
Detection signal input from the recording position detection switch
Detection signal input from the playback position detection switch
Loading motor voltage control output
Not used
DAOUT 0
DAOUT 1
KEY0 to KEY2
CHUCK IN
PACK IN
PACK OUT
TIMER
SOURCE
(AVSS)
XINT
P DOWN
REMOCON
SQSY
DQSY
—
—
—
SYS-RST
(TEST)
+3.3V
BACK
XOUT-T
XIN-T
GND
XOUT
XIN
GND
(S1)
DOSEL
SENS
SHOCK
REC/OTHER
CD/VIDEO
STBY
REC P
PB P
LD LOW
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